Sony NTT Docomo Xperia GX SO-04D Instruction Manual page 144

Changing the PIN code
You can change the PIN code only when the
PIN of docomo mini UIM card is enabled.
From the Settings screen (P.112),
1
tap [Security]
u
lock] [Change SIM PIN].
Enter the current PIN code of the
2
docomo mini UIM card and tap
[OK].
Enter the new PIN code of the
3
docomo mini UIM card and tap
[OK].
Enter the new PIN code of the
4
docomo mini UIM card again and
tap [OK].
u
[Set up SIM card
Unblocking the locked docomo mini
UIM card
On the PUK code entry screen,
1
enter the PUK code of the docomo
mini UIM card.
Tap [New SIM PIN] field to enter
2
new PIN code of docomo mini UIM
card.
Tap [OK].
3
Screen lock
You can secure your data by requiring a
screen unlock pattern every time the
terminal is turned on or every time it is
activated from sleep mode.
There are 5 types of screen lock settings:
"Slide", "Face Unlock", "Pattern", "PIN" and
"Password". (P.143)
142
Settings